Copying problems, Scanning problems, Curl

Condition	Suggested solutions

Horizontal stripes If horizontally aligned black streaks or smears
	appear:

	AaBbCc	• The toner cartridge may be installed improperly.
	AaBbCc	Remove the toner cartridge and reinsert it.
	AaBbCc	• The toner cartridge may be defective. Remove the
	AaBbCc	• The toner cartridge may be defective. Remove the
	AaBbCc	toner cartridge and install a new one. See
	AaBbCc	page 8.4.
	AaBbCc	• If the problem persists, the machine may require
	AaBbCc	repair. Contact a service representative.
		repair. Contact a service representative.
	Curl	If the printed paper is curled or paper does not feed
		into the machine:

•Turn over the stack of paper in the tray. Also try rotating the paper 180° in the tray.

•Try printing to the rear cover.

Copying problems

Condition	Suggested solutions

Copies are too light or	Use Darkness to darken or lighten the background
too dark.	of the copies.

Smears, lines, marks,	• If defects are on the original, use Darkness to
or spots appears on	lighten the background of your copies.
copies.	• If no defects are on the original, clean the scan
	unit. See page 8.2.

Copy image is	• Ensure that the original is face down on the
skewed.	document glass.
	• Check that the paper is loaded correctly.

Blank copies print	Ensure that the original is face down on the
out.	document glass.

Image rubs off the	• Replace the paper in the paper input tray with
copy easily.	paper from a new package.
	• In high humidity areas, do not leave paper in the
	machine for extended periods of time.

Frequent copy paper	• Fan the stack of paper, then turn it over in the
jams occur.	paper input tray. Replace the paper in the paper
	input tray with a fresh supply. Check/adjust the
	paper guides, if necessary.

•Ensure that the paper is the proper paper weight 75 g/m2 (20 lb bond) paper is recommended.

•Check for copy paper or pieces of copy paper remaining in the machine after a paper jam has been cleared.

9.9

Condition	Suggested solutions

Toner cartridge	• Your originals may contain pictures, solids, or
produces fewer copies	heavy lines. For example, your originals may be
than expected before	forms, newsletters, books, or other documents
running out of toner.	that use more toner.
	• The machine may be turned on and off frequently.
	• The document cover may be left open while
	copies are being made.

Condition	Suggested solutions

The scanner does not	• Make sure that you place the document to be
work.	scanned face down on the document glass.
	• There may not be enough available memory to
	hold the document you want to scan. Try the
	Prescan function to see if that works. Try lowering
	the scan resolution rate.
	• Check that the USB cable is connected properly.
	• Make sure that the USB cable is not defective.
	Switch the cable with a known good cable. If
	necessary, replace the cable.
	• Check that the scanner is configured correctly.
	Check scan setting in the SmarThru Configuration
	or the application you want to use to make
	certain that the scanner job is being sent to the
	correct port, for example, LPT1.

The unit scans very	• Check if the machine is printing received data. If
slowly.	so, scan the document after the received data
	has been printed.
	• Graphics are scanned more slowly than text.
	• Communication speed slows in scan mode
	because of the large amount of memory required
	to analyze and reproduce the scanned image. Set
	your computer to the ECP printer mode through
	BIOS setting. It will help to increase the speed.
	For details about how to set BIOS, refer to your
	computer User’s Guide.

Troubleshooting